File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/avr32/boards/mimc200/setup.c b/arch/avr32/boards/mimc200/setup.c
new file mode 100644
index 0000000..1cb8e9c
--- /dev/null
+++ b/arch/avr32/boards/mimc200/setup.c
@@ -0,0 +1,236 @@
+/*
+ * Board-specific setup code for the MIMC200
+ *
+ * Copyright (C) 2008 Mercury IMC Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+extern struct atmel_lcdfb_pdata mimc200_lcdc_data;
+
+#include <linux/clk.h>
+#include <linux/etherdevice.h>
+#include <linux/i2c-gpio.h>
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+
+#include <video/atmel_lcdc.h>
+#include <linux/fb.h>
+
+#include <linux/atmel-mci.h>
+#include <linux/io.h>
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+#include <mach/init.h>
+#include <mach/portmux.h>
+
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+ [0] = 32768, /* 32.768 kHz on RTC osc */
+ [1] = 10000000, /* 10 MHz on osc0 */
+ [2] = 12000000, /* 12 MHz on osc1 */
+};
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+static struct fb_videomode __initdata pt0434827_modes[] = {
+ {
+ .name = "480x272 @ 72",
+ .refresh = 72,
+ .xres = 480, .yres = 272,
+ .pixclock = KHZ2PICOS(10000),
+
+ .left_margin = 1, .right_margin = 1,
+ .upper_margin = 12, .lower_margin = 1,
+ .hsync_len = 42, .vsync_len = 1,
+
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+};
+
+static struct fb_monspecs __initdata mimc200_default_monspecs = {
+ .manufacturer = "PT",
+ .monitor = "PT0434827-A401",
+ .modedb = pt0434827_modes,
+ .modedb_len = ARRAY_SIZE(pt0434827_modes),
+ .hfmin = 14820,
+ .hfmax = 22230,
+ .vfmin = 60,
+ .vfmax = 85,
+ .dclkmax = 25200000,
+};
+
+struct atmel_lcdfb_pdata __initdata mimc200_lcdc_data = {
+ .default_bpp = 16,
+ .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+ .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
+ | ATMEL_LCDC_INVCLK
+ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+ | ATMEL_LCDC_MEMOR_BIG),
+ .default_monspecs = &mimc200_default_monspecs,
+ .guard_time = 2,
+};
+
+struct eth_addr {
+ u8 addr[6];
+};
+static struct eth_addr __initdata hw_addr[2];
+static struct macb_platform_data __initdata eth_data[2];
+
+static struct spi_eeprom eeprom_25lc010 = {
+ .name = "25lc010",
+ .byte_len = 128,
+ .page_size = 16,
+ .flags = EE_ADDR1,
+};
+
+static struct spi_board_info spi0_board_info[] __initdata = {
+ {
+ .modalias = "rtc-ds1390",
+ .max_speed_hz = 4000000,
+ .chip_select = 2,
+ },
+ {
+ .modalias = "at25",
+ .max_speed_hz = 1000000,
+ .chip_select = 1,
+ .mode = SPI_MODE_3,
+ .platform_data = &eeprom_25lc010,
+ },
+};
+
+static struct mci_platform_data __initdata mci0_data = {
+ .slot[0] = {
+ .bus_width = 4,
+ .detect_pin = GPIO_PIN_PA(26),
+ .wp_pin = GPIO_PIN_PA(27),
+ },
+};
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+ int i;
+
+ i = tag->u.ethernet.mac_index;
+ if (i < ARRAY_SIZE(hw_addr))
+ memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+ sizeof(hw_addr[i].addr));
+
+ return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ const u8 *addr;
+ void __iomem *regs;
+ struct clk *pclk;
+
+ if (!res)
+ return;
+ if (pdev->id >= ARRAY_SIZE(hw_addr))
+ return;
+
+ addr = hw_addr[pdev->id].addr;
+ if (!is_valid_ether_addr(addr))
+ return;
+
+ /*
+ * Since this is board-specific code, we'll cheat and use the
+ * physical address directly as we happen to know that it's
+ * the same as the virtual address.
+ */
+ regs = (void __iomem __force *)res->start;
+ pclk = clk_get(&pdev->dev, "pclk");
+ if (IS_ERR(pclk))
+ return;
+
+ clk_enable(pclk);
+ __raw_writel((addr[3] << 24) | (addr[2] << 16)
+ | (addr[1] << 8) | addr[0], regs + 0x98);
+ __raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+ clk_disable(pclk);
+ clk_put(pclk);
+}
+
+void __init setup_board(void)
+{
+ at32_map_usart(0, 0, 0); /* USART 0: /dev/ttyS0 (TTL --> Altera) */
+ at32_map_usart(1, 1, 0); /* USART 1: /dev/ttyS1 (RS232) */
+ at32_map_usart(2, 2, 0); /* USART 2: /dev/ttyS2 (RS485) */
+ at32_map_usart(3, 3, 0); /* USART 3: /dev/ttyS3 (RS422 Multidrop) */
+}
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+ .sda_pin = GPIO_PIN_PA(6),
+ .scl_pin = GPIO_PIN_PA(7),
+ .sda_is_open_drain = 1,
+ .scl_is_open_drain = 1,
+ .udelay = 2, /* close to 100 kHz */
+};
+
+static struct platform_device i2c_gpio_device = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &i2c_gpio_data,
+ },
+};
+
+static struct i2c_board_info __initdata i2c_info[] = {
+};
+
+static int __init mimc200_init(void)
+{
+ /*
+ * MIMC200 uses 16-bit SDRAM interface, so we don't need to
+ * reserve any pins for it.
+ */
+
+ at32_add_device_usart(0);
+ at32_add_device_usart(1);
+ at32_add_device_usart(2);
+ at32_add_device_usart(3);
+
+ set_hw_addr(at32_add_device_eth(0, ð_data[0]));
+ set_hw_addr(at32_add_device_eth(1, ð_data[1]));
+
+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+ at32_add_device_mci(0, &mci0_data);
+ at32_add_device_usba(0, NULL);
+
+ at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP);
+ at32_select_gpio(i2c_gpio_data.sda_pin,
+ AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+ at32_select_gpio(i2c_gpio_data.scl_pin,
+ AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+ platform_device_register(&i2c_gpio_device);
+ i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
+
+ at32_add_device_lcdc(0, &mimc200_lcdc_data,
+ fbmem_start, fbmem_size,
+ ATMEL_LCDC_CONTROL | ATMEL_LCDC_ALT_CONTROL | ATMEL_LCDC_ALT_24B_DATA);
+
+ return 0;
+}
+postcore_initcall(mimc200_init);